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Control of occupational health hazards in the dry cleaning industry. Instructor's guide.

Authors

Stricoff-RS

Source

NIOSH 1983 Dec; :1-68

Link

NIOSHTIC No.

00134919

Abstract

The instructor's guide for a course in the control of occupational health hazards in the dry cleaning industry (SIC-7216) is presented. An overview of the dry cleaning industry and processes is examined. Hazards resulting from cleaning solvents, heat, and humidity are discussed. Commonly used dry cleaning solvents include perchloroethylene (127184), Stoddard solvent (8052413), and trichlorotrifluoroethane (26523648). Hazard control by means of local exhaust ventilation is discussed. Integral exhaust systems and local exhaust hoods are described. Control of transfer and filter emissions and recirculation from adsorbers are noted. General mechanical ventilation, and heat stress control are detailed. The effect of general mechanical ventilation on solvent vapor concentrations is considered. Fugitive emission control and other control measures are examined: leaks from loose pipe joints, unions, and door gaskets. Work practices, leak monitoring, and protective equipment are described.